138220477758

Names of 138220477758

• Cardinal: 138220477758 can be written as One hundred thirty-eight billion, two hundred twenty million, four hundred seventy-seven thousand, seven hundred fifty-eight.

Scientific notation

• Scientific notation: 1.38220477758 × 10¹¹

Factors of 138220477758

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 178

Divisors of 138220477758

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 6 9 11 18 22 27 33 54 59 66 99 103 118 121 177 198 206 242 297 309 354 363 531 594 618 649 726 927 1062 1089 1133 1298 1593 1854 1947 2178 2266 2781 3186 3267 3399 3481 3894 5562 5841 6077 6534 6798 6962 7139 10197 10443 11682 12154 12463 14278 17523 18231 20394 20886 21417 24926 30591 31329 35046 36462 37389 38291 42834 54693 61182 62658 64251 66847 74778 76582 93987 109386 112167 114873 128502 133694 164079 187974 192753 200541 205379 224334 229746 328158 336501 344619 358543 385506 401082 410758 421201 601623 616137 673002 689238 717086 735317 842402 1033857 1075629 1203246 1232274 1263603 1470634 1804869 1848411 2067714 2151258 2205951 2259169 2527206 3226887 3609738 3696822 3790809 3943973 4411902 4518338 5545233 6453774 6617853 6777507 7581618 7887946 9680661 11090466 11372427 11831919 13235706 13555014 19361322 19853559 20332521 21154037 22744854 23663838 24850859 35495757 39707118 40665042 42308074 43383703 49701718 60997563 63462111 70991514 74552577 86767406 106487271 121995126 126924222 130151109 149105154 190386333 212974542 223657731 232694407 260302218 380772666 390453327 447315462 465388814 571158999 670973193 698083221 780906654 1142317998 1171359981 1341946386 1396166442 2094249663 2342719962 2559638477 4188499326 5119276954 6282748989 7678915431 12565497978 15357830862 23036746293 46073492586 69110238879 138220477758
• Sum of all divisors σ(n): 346773772800
• Sum of proper divisors (its aliquot sum) s(n): 208553295042
• 138220477758 is an abundant number, because the sum of its proper divisors (208553295042) is greater than itself. Its abundance is 70332817284

Bases of 138220477758

• Binary: 10000000101110100101010001110100111110₂
• Hexadecimal: 0x202E951D3E
• Base-36: 1RHWWJ7I

Squares and roots of 138220477758

• 138220477758 squared (138220477758²) is 19104900471649772706564
• 138220477758 cubed (138220477758³) is 2640688470710471117953384822603512
• The square root of 138220477758 is 371780.1470735091
• The cube root of 138220477758 is 5170.3998453391

Scales and comparisons

• 138,220,477,758 seconds is equal to 4,394 years, 51 weeks, 1 day, 1 hour, 9 minutes, 18 seconds.
• To count from 1 to 138,220,477,758 would take you about eight thousand, seven hundred eighty-nine years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 138220477758 cubic inches would be around 430.9 feet tall.

Recreational maths with 138220477758

• 138220477758 backwards is 857774022831
• 138220477758 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138220477758's digits is 54
• More coming soon!